<template>
    <div>
        <!-- 面包屑导航区 -->
       <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
       </el-breadcrumb>
       <!-- 卡片视图 -->
       <el-card>
        <!-- 搜索与添加商品区域 -->
        <el-row :gutter='20'>
            <el-col :span="8">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear='getGoodsList'> 
                <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="goAddpage">添加商品</el-button>
            </el-col>
        </el-row>
        <!-- 商品列表区域 -->
        <el-table :data="goodslist" border stripe>
           <el-table-column label="#" type="index"></el-table-column>
           <el-table-column label="商品名称" prop="goods_name"></el-table-column>
           <el-table-column label="商品价格（元）" prop="goods_price" width="95px"></el-table-column>
           <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
           <el-table-column label="创建时间" prop="add_time"  width="150px">
               <template slot-scope="scope">
                   {{scope.row.add_time | dateFormat}}
               </template>
           </el-table-column>
           <el-table-column label="操作" width="130px">
               <template slot-scope="scope">
                   <!-- 修改按钮 -->
                   <el-button type="primary" icon="el-icon-edit" size="mini"
                   ></el-button>
                   <!-- 删除按钮 -->
                   <el-button type="danger" icon="el-icon-delete" size="mini" 
                   @click="removeById(scope.row.goods_id)"
                   ></el-button>                
               </template>
           </el-table-column>
        </el-table>
        <!-- 分页 -->
        <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[5, 10, 15, 20]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total"
          background>
        </el-pagination>
        </el-card>
    </div>
</template>


<script>
 export default {
      data(){
          return{
            //查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,    
                pagesize:10
            },
            // 商品列表
            goodslist:[],
            // 总数据条数
            total:0
          }
      },
      created(){
          this.getGoodsList()
      },
      methods:{
          //根据分页获取对应的商品列表
         async getGoodsList(){
              const{data:res} = await this.$http.get('goods',{params:this.queryInfo})
              if(res.meta.status !== 200){
                  return this.$message.error('获取商品列表失败！')
              }
            // this.$message.success('获取商品列表成功！')
              console.log(res.data)
              console.log('ok')
              this.goodslist = res.data.goods
              this.total = res.data.total
          },
          // 根据分页获取对应的商品列表
          handleSizeChange(newSize){
              this.queryInfo.pagesize = newSize
              this.getGoodsList()
          },
          handleCurrentChange(newPage){
              this.queryInfo.pagenum =newPage
              this.getGoodsList()
          },
          //   删除操作
          async removeById(id){
             const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
              }).catch(err => err)

              if(confirmResult !== 'confirm'){
                  return this.$message.info('已经取消删除！')
              }

              const {data:res} = await this.$http.delete(`goods/${id}`)
              if(res.meta.status !== 200){
                  return this.$message.error('删除失败！')
              }
              this.$message.success('删除商品成功！')
              this.getGoodsList()
          },
        //  点击按钮 添加商品
          goAddpage(){
              this.$router.push('/goods/add')
          }
      }
    
 }
</script>


<style lang="less" scoped>
</style>